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Travka [436]
3 years ago
8

Why doesn’t volvox capture its own food from its environment

Biology
1 answer:
-BARSIC- [3]3 years ago
8 0

Answer:

Because volvox can photosynthesise

Explanation:

Volvox is a multicellular algae. They grow in spherical colonies.

Its cells contain chloroplasts meaning it can photosynthesise. This means it can use light energy from the sun to synthesise its own food. Therefore, it doesn't need to capture food from the environment.

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Bile, a substance produced in the _____, is important in the breakdown and absorbtion of ______
Sedbober [7]
The answers are LIVER and LIPIDS.

Bile is produced in liver. They're stored in Gall bladder and is released when needed. Their main function is to emulsify lipids into smaller oil droplets. This is a physical digestion. This process can increase the surface area of the lipids so that it can be chemically digested by enzyme lipase later easier. The larger the surface area gets, the more enzyme can digest them at the same time.
5 0
3 years ago
Florida is hot most of the year. Will a cougar show seasonal changes?
rusak2 [61]

Answer:

No, because the cougar can always find a food source in Florida.

Explanation:

Brainliest pls :)

5 0
2 years ago
Read 2 more answers
1) How is DNA condensed to form a chromosome?
frosja888 [35]

Answer:

Hello! Here are the answers:

  1. Chromosomes are a highly condensed form of a combination of DNA and protein called chromatin. DNA strands (negatively charged) are tightly wound around these proteins called histones (positively charged) to form chromosomes.
  2. Mechanism genes code for for proteins that govern life processes. These genes or portions of DNA  are called exons. DNA segments between these exons are called introns that strictly code for regulatory proteins and also contain genetic regulatory elements (DNA sequences that control gene expression).
  3. Gene expression is the process of translation of DNA sequences into proteins. The genetic code is the nucleotide sequence in the DNA itself that codes for different amino acids that combine together to form a functional protein.

Explanation:

* 2. The intronic regions are misleadingly referred to as "junk DNA" but introns code for crucial regulatory elements that control gene expression.

* 3. The genetic code determines the sequence of amino acids in various proteins.

7 0
3 years ago
Why are there many separate ecosystems in a rain forest?
Contact [7]
I disagree it should be A
7 0
3 years ago
If an inhibitory synapse fires at the same time and at the same distance from the initial segment as an excitatory synapse of th
Sergio [31]

Answer:

If an inhibitory synapse fires at the same time and at the same distance from the initial segment as an excitatory synapse of the same intensity there will be no changes in the potential in the firing zone.

Explanation:

Under normal conditions, the transmembrane potential depends on the ionic charges present in the intracellular and extracellular spaces. The extracellular space load is usually positive and in the cytoplasm is negative.

  • <u>Depolarization</u> occurs by opening ion channels that allow sodium to enter the cell, making the intracellular space more positive.
  • An opening of potassium channels releases this ion to the extracellular space, leading to <u>hyperpolarization</u>.

An excitatory synapse is one capable of depolarizing a cell and boosting the production of action potential, provided it is capable of reaching the threshold of said potential.

On the other hand, an inhibitory synapse is able to hyperpolarize the cell membrane and prevent an action potential from originating, so that they can inhibit the action of an excitatory synapse.

The interaction between two synapses, one excitatory and one inhibitory, -called synapse summation- will depend on the strength that each of them possesses. In this case, the intensity of both synapses being the same, there will be no changes in the membrane potential in the firing zone.

Learn more:

Excitatory and inhibitory postsynaptic potentials brainly.com/question/3521553

6 0
3 years ago
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